Mathematics, 13.07.2020 22:01 taten1701
If a varies directly as the cube root of B and if a equals to 3 when B equals to 64 find the formula connecting the variables hence find b when a equals to 15 / 4
Answers: 1
![\sqrt[3]{B}](/tpl/images/0704/2779/0ad8a.png)
![\frac{a}{\sqrt[3]{B} }](/tpl/images/0704/2779/5ffc0.png)
......Eq(2)
.......................Eq(3)![\frac{15}{4}\ =\frac{3}{4} \sqrt[3]{B} \\\\\sqrt[3]{B}\ =\ 5\\Cubing\ both\ side\ we\ get\\B=125](/tpl/images/0704/2779/97a11.png)
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If a varies directly as the cube root of B and if a equals to 3 when B equals to 64 find the formula...
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